The much awaited Android O is not a part of Android 7.x family. Google has now confirmed that Android O is Android 8.0. Google has released the 3rd Android O developers preview build.
Google plans to be launch Android O in the first or second week of August. Google Pixel 2 will be the world’s first avant-garde phone to have Android O. Google Nexus is expected to be the next device to have Andriod O.
Yes it is possible and more importantly it is official and legal, you can avail the early bird beta testing version of the Android O beta on your mobile phones. However it is only possible if you have a suitable mobile phone set.
If the user does not have a good Internet connection, downloading a large number of files is not always convenient, unless the user has unlimited data plan, otherwise in the absence of a speedy WiFi, continuing to download might be a bad idea if it sucks up all the data. Google seems to agree with
Get ready for the next Android release! Google has revealed the developer preview for the upcoming version of its operating system (OS), Android O. The new operating system includes a range of small improvements and some large ones which will make the Android experience better!